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United States flag

MARY MARGARET — Tug · MMSI 366914940

USAt Anchor
World map showing the last known position of MARY MARGARET at 47° 16.008' N, 122° 22.128' W
NSEW
Current PositionLive

MARY MARGARET is currently at anchor in the North Pacific Ocean, at 47.2668° N, 122.3688° W. It is sailing from TACOMA to TACOMA with an ETA of 18 Aug 2026, 03:21 UTC. AIS position received 8 Sep 2026, 18:00 UTC.

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Updated 49 minutes ago using terrestrial data
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At Anchor
Current Navigational Status
0.0 kn
Speed
0.0°
/ 109°
Course / Heading
2 m
Static Draught
2 m
Current Draught

Voyage Tracker

United States flag
TACOMAUSTIW
ATD
15:33 UTCAug 17, 2026
United States flag
TACOMAUSTIW
ETA
03:21 UTCAug 18, 2026
MARY MARGARET

MARY MARGARET

Identity

Tug
Type
United States flagUS
Flag
N/A
IMO Number
366914940
MMSI
WDB5910
Call Sign

Specifications

35 m × 20 m
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that MARY MARGARET is part of.

Flag State
All US-flagged vessels
Browse every ship currently registered under the US flag, with live AIS positions.
Vessel Type
Browse all Tugs
See the global fleet of tugs tracked on MarineRadar with live AIS data.
Departure Port
Port of TACOMA
Port traffic, arrivals and live vessel positions for TACOMA (USTIW).

About MARY MARGARET

Identity · Ownership · Class · Route

MARY MARGARET — Tug

MARY MARGARET is a tug registered under the United States of America flag.

MARY MARGARET route and voyage history

MARY MARGARET is currently on a voyage from TACOMA to TACOMA with an estimated arrival on 2026-08-18T03:21:00Z. The live route and current course of MARY MARGARET are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

Vessels in the same class as MARY MARGARET can be seen in the Similar Vessels section above or in the full tug fleet at /vessel-type/tug-pilot-vessel.

Frequently Asked Questions

Where is MARY MARGARET right now?+
MARY MARGARET is currently at anchor in the North Pacific Ocean, within the US West Coast shipping lane. It is sailing from TACOMA to TACOMA with an ETA of 18 Aug 2026, 03:21 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.
What are the identifiers for MARY MARGARET?+
MARY MARGARET broadcasts MMSI 366914940, with call sign WDB5910. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.
What type of ship is MARY MARGARET?+
MARY MARGARET is classified as a tug vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full tug fleet at /vessel-type/tug-pilot-vessel and full US flag list at /flag/us.
How can I see the live position of MARY MARGARET?+
MarineRadar shows the latest AIS broadcast from MARY MARGARET above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.
How often is MARY MARGARET's position updated?+
AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.
What class is MARY MARGARET?+
As a tug, MARY MARGARET sits in the same design class as the other tugs listed in the Similar Vessels section of the vessel page, or in the full tug directory at /vessel-type/tug-pilot-vessel.

MARY MARGARET — Key Facts

MMSI
366914940
Call sign
WDB5910
Vessel type
Tug
Flag state
US
Navigation status
At Anchor
Current speed
0.0 knots
Course over ground
0.0°
Heading
109°
Last known position
47.2668°, -122.3688°
Destination
TACOMA
ETA
2026-08-18T03:21:00Z
Departure port
TACOMA
Actual time of departure
2026-08-17T15:33:00Z
Current draught
2 m
Maximum static draught
2 m
AIS last updated
2026-09-08T18:00:10Z